<http://webisa.webdatacommons.org/320797291>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/320797291>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/320797291>	<http://www.w3.org/ns/prov#value>	"A control is a solution having a known concentration of an analyte or analytes contained in the same, or a similar matrix in which the samples to be analyzed exist." .
<http://webisa.webdatacommons.org/prov/47353087>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/320797291> .